@misc{indiciaecb68ef3e8d0c,
  title = {Six years for a PhD.},
  author = {J M Pasachoff},
  year = {1971},
  doi = {10.1038/233217a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/16063285/},
  note = {Source identifier: 16063285}
}